HairStrandsCore/Public/HairCardsDatas.h
[FArchive](API\Runtime\Core\Serialization\FArchive) & operator<< ( [FArchive](API\Runtime\Core\Serialization\FArchive) & Ar, [FHairCardsInterpolationVertex](API\Plugins\HairStrandsCore\FHairCardsInterpolationVertex) & Vertex )